<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>企业人员管理系统</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
        }
        
        .container {
            display: flex;
            min-height: 100vh;
        }
        
        /* 侧边栏样式 */
        .sidebar {
            width: 220px;
            background-color: #2c3e50;
            color: white;
            padding: 20px 0;
        }
        
        .logo {
            text-align: center;
            padding: 10px 0 30px;
            border-bottom: 1px solid #34495e;
        }
        
        .logo h2 {
            font-size: 20px;
        }
        
        .nav-menu {
            margin-top: 20px;
        }
        
        .nav-item {
            padding: 12px 20px;
            cursor: pointer;
            transition: all 0.3s;
            border-left: 3px solid transparent;
        }
        
        .nav-item:hover {
            background-color: #34495e;
        }
        
        .nav-item.active {
            background-color: #34495e;
            border-left: 3px solid #3498db;
        }
        
        .nav-item i {
            margin-right: 10px;
        }
        
        /* 主内容区样式 */
        .main-content {
            flex: 1;
            padding: 20px;
        }
        
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 1px solid #ddd;
            margin-bottom: 20px;
        }
        
        .user-info {
            display: flex;
            align-items: center;
        }
        
        .user-info img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 10px;
        }
        
        /* 内容卡片样式 */
        .content-card {
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 20px;
            margin-bottom: 20px;
        }
        
        .card-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        
        /* 表格样式 */
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        table th, table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        table th {
            background-color: #f9f9f9;
            font-weight: 600;
        }
        
        /* 按钮样式 */
        .btn {
            padding: 8px 15px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background-color: #3498db;
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #2980b9;
        }
        
        .btn-success {
            background-color: #2ecc71;
            color: white;
        }
        
        .btn-success:hover {
            background-color: #27ae60;
        }
        
        .btn-danger {
            background-color: #e74c3c;
            color: white;
        }
        
        .btn-danger:hover {
            background-color: #c0392b;
        }
        
        /* 表单样式 */
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        
        .form-control {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
                height: auto;
            }
            
            .nav-menu {
                display: flex;
                flex-wrap: wrap;
            }
            
            .nav-item {
                flex: 1 0 50%;
                text-align: center;
            }
        }
    </style>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
</head>
<body>
    <div class="container">
        <!-- 侧边导航栏 -->
        <div class="sidebar">
            <div class="logo">
                <h2><i class="fas fa-users"></i> 人员管理系统</h2>
            </div>
            <div class="nav-menu">
                <div class="nav-item active">
                    <i class="fas fa-home"></i> 系统首页
                </div>
                <div class="nav-item">
                    <i class="fas fa-id-card"></i> 员工信息管理
                </div>
                <div class="nav-item">
                    <i class="fas fa-calendar-alt"></i> 排班管理
                </div>
                <div class="nav-item">
                    <i class="fas fa-chart-line"></i> 绩效管理
                </div>
                <div class="nav-item">
                    <i class="fas fa-graduation-cap"></i> 培训管理
                </div>
                <div class="nav-item">
                    <i class="fas fa-lock"></i> 权限管理
                </div>
            </div>
        </div>
        
        <!-- 主内容区 -->
        <div class="main-content">
            <div class="header">
                <h2>系统首页</h2>
                <div class="user-info">
                    <img src="https://via.placeholder.com/40" alt="用户头像">
                    <span>管理员</span>
                </div>
            </div>
            
            <!-- 员工信息管理模块 -->
            <div class="content-card">
                <div class="card-title">
                    <i class="fas fa-id-card"></i> 员工信息管理
                </div>
                <div class="card-body">
                    <div style="display: flex; justify-content: space-between; margin-bottom: 15px;">
                        <div>
                            <button class="btn btn-primary"><i class="fas fa-plus"></i> 新增员工</button>
                            <button class="btn btn-success"><i class="fas fa-file-export"></i> 导出数据</button>
                        </div>
                        <div>
                            <input type="text" class="form-control" placeholder="搜索员工..." style="width: 200px; display: inline-block;">
                            <button class="btn btn-primary"><i class="fas fa-search"></i> 搜索</button>
                        </div>
                    </div>
                    
                    <table>
                        <thead>
                            <tr>
                                <th>员工ID</th>
                                <th>姓名</th>
                                <th>性别</th>
                                <th>部门</th>
                                <th>职位</th>
                                <th>薪资</th>
                                <th>入职日期</th>
                                <th>操作</th>
                            </tr>
                        </thead>
                        <tbody>
                            <tr>
                                <td>10001</td>
                                <td>张三</td>
                                <td>男</td>
                                <td>技术部</td>
                                <td>前端工程师</td>
                                <td>¥15,000</td>
                                <td>2020-05-10</td>
                                <td>
                                    <button class="btn btn-primary btn-sm"><i class="fas fa-edit"></i></button>
                                    <button class="btn btn-danger btn-sm"><i class="fas fa-trash"></i></button>
                                </td>
                            </tr>
                            <tr>
                                <td>10002</td>
                                <td>李四</td>
                                <td>女</td>
                                <td>人事部</td>
                                <td>HR专员</td>
                                <td>¥12,000</td>
                                <td>2019-08-15</td>
                                <td>
                                    <button class="btn btn-primary btn-sm"><i class="fas fa-edit"></i></button>
                                    <button class="btn btn-danger btn-sm"><i class="fas fa-trash"></i></button>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                    
                    <div style="margin-top: 15px; text-align: center;">
                        <button class="btn"><i class="fas fa-angle-left"></i></button 
